Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1995-06-02
1997-04-01
Lewis, Michael
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
C01B 1716
Patent
active
056163061
ABSTRACT:
A process is provided for the removal of hydrogen sulfide from a hydrogen sulfide-containing gas by contacting said gas with an aqueous solution comprising chelated iron, an organic amine, an alkali metal hydroxide, carbonate or bicarbonate, and an alkali metal or ammonium phosphate or polyphosphate.
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Alimov Mikhail P.
Fakhriev Akhmatfail M.
Kashevarov Leonid A.
Khafizov Rais N.
Mazgarov Akhmet M.
Chevron U.S.A. Inc.
Harding Amy M.
Lewis Michael
Sheridan R. J.
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